package com.cctc.fw.util;

import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class MD5Util
{
    public static String md5s(String plainText) throws UnsupportedEncodingException
    {
        
        try
        {
            MessageDigest md = MessageDigest.getInstance("MD5");
            md.update(plainText.getBytes("utf-8"));
            byte b[] = md.digest();
            
            int i;
            
            StringBuffer buf = new StringBuffer("");
            for (int offset = 0; offset < b.length; offset++)
            {
                i = b[offset];
                if (i < 0)
                    i += 256;
                if (i < 16)
                    buf.append("0");
                buf.append(Integer.toHexString(i));
            }
            return buf.toString();
        }
        catch (NoSuchAlgorithmException e)
        {
            e.printStackTrace();
            return null;
        }
    }
}
